Home ImprovementSmoke DetectorU Do ItVideo

Replace your Smoke Detector Battery

Product Video U Do It Demonstrates Replacing 9V Battery Thumbnail

Replacing the smoke detector battery could give you the seconds you need to survive a house fire. You may only have seconds to escape, which is why it is so important. It is recommended that you replace the batteries in your smoke detectors once a year or sooner. I usually replace them in October because that is when Fire Prevention Week occurs in the USA. But you choose a time that you can reliably remember to replace them.

Before you purchase a battery check the type of battery or batteries that it needs. Some use Lithium Ion, others use AA or AAA batteries. And some even have a non-replaceable battery and you must replace the entire smoke detector.

In this video, I’m replacing the battery with a 9V Duracell from a pack that I bought. I keep spare 9V batteries on hand as I need them for my electronic devices like my digital multimeters and stud finders. I also keep them on hand so that at 3AM in the morning when it starts chirping I can replace it. Otherwise, I would have to disconnect the smoke detector.

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Duracell Coppertop 9V Battery, 4 Count Pack, 9-Volt Battery with Long-lasting Power, All-Purpose Alkaline 9V Battery for Household and Office Devices
  • LONG-LASTING BATTERIES DESIGNED FOR DEPENDABILITY – Duracell Coppertop alkaline batteries deliver the lasting power and performance you can count on for electronic devices throughout the home or on-the-go
  • RELIABLE POWER – As a general-purpose battery, the Duracell Coppertop 9V alkaline battery is made to power everyday devices throughout the home, like toys, remote controls, flashlights, clocks and radios, portable electronics, and more
  • GUARANTEED FOR 5 YEARS IN STORAGE – Duracell guarantees each Coppertop 9-Volt alkaline battery to last 5 years in storage, so you can be confident these batteries will be ready when you need them

Amazon.com Price last update on 2024-12-30 - Details

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